Subscriber login


Forgot your password?

Library card login

Other

testis

Syllabification: (tes·tis)
Pronunciation: /ˈtestis/
Definition of testis

noun (plural testes /-ˌtēz/)

Anatomy & Zoology
  • an organ that produces spermatozoa (male reproductive cells). Compare with testicle.

Origin:

early 18th century: from Latin, literally 'a witness' (i.e., to virility). Compare with testicle

testis in other Oxford dictionaries

Definition of testis in the British & World English dictionary
  |  Cite
Oxford Dictionaries Pro

For Oxford's best resources for writers, plus thesaurus, audio, and 1.9m examples.

Shop for an Oxford dictionary

Find the perfect Oxford dictionary for you in our online shop.
SHOP NOW ►

Word of the day

cur

/ kər /
noun
an aggressive dog or one that is in poor condition …